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Zhou Y, Xiong J, Wang L, Li F, Bai H, Wang S, Yang X. Multi-ligand strategy for enhanced removal of heavy metal ions by thiol-functionalized defective Zr-MOFs. JOURNAL OF HAZARDOUS MATERIALS 2024; 479:135723. [PMID: 39243545 DOI: 10.1016/j.jhazmat.2024.135723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 08/15/2024] [Accepted: 08/31/2024] [Indexed: 09/09/2024]
Abstract
Given the significant global concern about heavy metal pollution, the development of effective adsorbents to capture pollutants has become an urgent issue. In this work, thiol-functionalized defective Zr-MSA-DMSA was designed by mixing 2,3-dimercaptosuccinic acid and mercaptosuccinic acid, which was applied for the rapid and efficient removal of M(II) (i.e., Pb(II), Hg(II), Cd(II)) from wastewater. Zr-MSA-DMSA exhibited excellent adsorption performance, and the maximum adsorption capacities for Pb(II), Hg(II), and Cd(II) were 715.2 mg g-1, 862.7 mg g-1, and 450.5 mg g-1. In actual wastewater, Zr-DMSA-MSA exhibited up to 97 % M(II) removal efficiency and excellent anti-interference ability. It also maintained good structural stability after five adsorption/regeneration cycles. Thus, the abundant oxygen vacancies and unsaturated adsorption sites on Zr-MSA-DMSA significantly improved the adsorption performance of M(II). Spectral analysis and DFT calculations confirmed that Zr-MSA-DMSA mainly relied on the coordination of sulfur and oxygen atoms, electrostatic attraction and a large number of defective sites to achieve the adsorption of M(II). Fixed bed experiments showed that Zr-MSA-DMSA exhibited a depletion time of 10500 min and a volume of 7.0 L. In summary, Zr-MSA-DMSA holds significant potential for treating heavy metal wastewater and provides potential applications for defect engineering.
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Affiliation(s)
- Yu Zhou
- Research Center of Lake Restoration Technology Engineering for Universities of Yunnan Province, School of Chemical Science and Technology, Yunnan University, No. 2, Cuihu North Road, Kunming 650091, China
| | - Jiaxing Xiong
- Research Center of Lake Restoration Technology Engineering for Universities of Yunnan Province, School of Chemical Science and Technology, Yunnan University, No. 2, Cuihu North Road, Kunming 650091, China
| | - Li Wang
- The Unconventional Oil and Gas Institute, China University of Petroleum-Beijing, Beijing 102200, China
| | - Feng Li
- Research Center of Lake Restoration Technology Engineering for Universities of Yunnan Province, School of Chemical Science and Technology, Yunnan University, No. 2, Cuihu North Road, Kunming 650091, China
| | - Huiping Bai
- School of Materials and Energy, Key Laboratory of Micro/Nano Materials and Technology, Yunnan University, Kunming 650091, China
| | - Shixiong Wang
- Research Center of Lake Restoration Technology Engineering for Universities of Yunnan Province, School of Chemical Science and Technology, Yunnan University, No. 2, Cuihu North Road, Kunming 650091, China.
| | - Xiangjun Yang
- Research Center of Lake Restoration Technology Engineering for Universities of Yunnan Province, School of Chemical Science and Technology, Yunnan University, No. 2, Cuihu North Road, Kunming 650091, China.
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Zhang C, Hu B, Ren J, Du W, Meng M. Thiol-Amino Bifunctional Metal-Organic-Framework-Based Membrane Regulating Hydrophobic Sites for Selective Separation of Artesunate. Inorg Chem 2024; 63:14699-14711. [PMID: 39047187 DOI: 10.1021/acs.inorgchem.4c02295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
The selective separation and purification of artesunate (ARU) and artemisinin (ART) using zirconium-based metal-organic frameworks (MOF), especially UiO-66 MOF, are receiving increasing attention. In this study, tunable "hydrophobic" sites of thiol (-SH) were introduced to amino-functionalized MOFs (UiO-66-NH2) to fabricate a thiol-amino bifunctional UiO-66/polyvinylidene fluoride (PVDF)-blended membrane (S1-UiO/PVDF-DPIM) via the delayed-phase-inversion method for selective separation of ARU/ART. The adsorption results indicated that the modification of UiO-66-NH2 with thiol can indeed increase the ARU adsorption. The thiol-functional MOF (S1-UiO-66-NH2) was chosen as the optimal thiol-amino bifunctional MOF, as it possessed the maximum ARU adsorption capacity (111.14 mg g-1) and the highest selective-separation factor (α = 51.84). The ATR FT-IR dynamic spectrum disclosed the recognition mechanism, indicating that incorporating thiol groups into a hydrophilic MOF as hydrophobic sites can boost adsorption efficiency. Moreover, the static-selective permeation results showed that the S1-UiO/PVDF-DPIM preferentially transfers ARU when mixed with ART, even achieving complete ARU/ART separation. The most crucial aspect was the introduction of a hydrophobic core of -SH and new spontaneously formed disulfide bonds to S1-UiO/PVDF-DPIM, creating alternated hydrogen bonds and hydrophobic interactions. This work provides an alternative strategy to prepare hydrophobic-hydrophilic MOF-based membranes for the highly efficient and selective separation of complex analogue systems.
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Affiliation(s)
- Chuanxun Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Bo Hu
- College of Chemistry, Baicheng Normal University, Baicheng 137000, China
- School of Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jiajia Ren
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Wanqi Du
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Minjia Meng
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
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An S, Nam SN, Choi JS, Park CM, Jang M, Lee JY, Jun BM, Yoon Y. Ultrasonic treatment of endocrine disrupting compounds, pharmaceuticals, and personal care products in water: An updated review. JOURNAL OF HAZARDOUS MATERIALS 2024; 474:134852. [PMID: 38852250 DOI: 10.1016/j.jhazmat.2024.134852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 05/26/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
Pharmaceuticals, personal care products (PPCPs), and endocrine-disrupting compounds (EDCs) have seen a recent sustained increase in usage, leading to increasing discharge and accumulation in wastewater. Conventional water treatment and disinfection processes are somewhat limited in effectively addressing this micropollutant issue. Ultrasonication (US), which serves as an advanced oxidation process, is based on the principle of ultrasound irradiation, exposing water to high-frequency waves, inducing thermal decomposition of H2O while using the produced radicals to oxidize and break down dissolved contaminants. This review evaluates research over the past five years on US-based technologies for the effective degradation of EDCs and PPCPs in water and assesses various factors that can influence the removal rate: solution pH, temperature of water, presence of background common ions, natural organic matter, species that serve as promoters and scavengers, and variations in US conditions (e.g., frequency, power density, and reaction type). This review also discusses various types of carbon/non-carbon catalysts, O3 and ultraviolet processes that can further enhance the degradation efficiency of EDCs and PPCPs in combination with US processes. Furthermore, numerous types of EDCs and PPCPs and recent research trends for these organic contaminants are considered.
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Affiliation(s)
- Sujin An
- Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Seong-Nam Nam
- Military Environmental Research Center, Korea Army Academy at Yeongcheon, 495 Hoguk-ro, Gogyeong-myeon, Yeongcheon-si, Gyeongsangbuk-do, 38900, Republic of Korea
| | - Jong Soo Choi
- Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Chang Min Park
- Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu 41566, Republic of Korea
| | - Min Jang
- Department of Environmental Engineering, Kwangwoon University, 447-1 Wolgye-dong Nowon-gu, Seoul, Republic of Korea
| | - Ji Yi Lee
- Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Byung-Moon Jun
- Radwaste Management Center, Korea Atomic Energy Research Institute (KAERI), 111 Daedeok-Daero 989beon-gil, Yuseong-Gu, Daejeon 34057, Republic of Korea.
| | - Yeomin Yoon
- Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea.
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Essam A, Eldek SI, Shehata N. Management of caffeine in wastewater using MOF and perovskite materials: optimization, kinetics, and adsorption isotherm modelling. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2024; 22:345-360. [PMID: 38887765 PMCID: PMC11180072 DOI: 10.1007/s40201-024-00904-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 04/21/2024] [Indexed: 06/20/2024]
Abstract
Pharmaceuticals and personal care products (PPCPs) have been increasingly used all over the world and they have been reported on water cycle and cause contamination. Among these pharmaceuticals is caffeine (CAF). In this work, CAF removal from aqueous samples by metal-organic framework (UIO-66) and perovskite (La0.7Sr0.3FeO3) was achieved. Detailed studies on the preparation of MOFs and perovskite oxides compounds have been presented. Extensive characterizations such as X-Ray diffraction (XRD), field emission scanning electron microscope (FESEM), Fourier transform infrared spectra (FT-IR), N2 adsorption-desorption isotherms were also carried out to assure proper formation and to better understand the physico-chemical behavior of the synthesized samples before and after adsorption. Batch experiments of CAF adsorption onto both MOFs and perovskite were performed to compare the effectiveness of both materials on the removal competence of the CAF residue at different conditions including the effect of pH, initial concentration, and contact time. It was observed that the adsorption capacity of CAF by MOF increased with increasing acidity. On the other hand, the adsorption capacity of perovskite is stable in pH 4-10. The maximum adsorption capacities of UiO-66 and perovskite toward CAF are high as 62.5 mg g-1 and 35.25 mg g-1, respectively. Equilibrium isotherms were investigated by numerous models: Langmuir, Freundlich, Temkin, Redlich-Peterson, Sips, Langmuir-Freundlich, Toth, Kahn, Baudu, and Fritz Schlunder. Moreover, the kinetics of the CAF@MOF and CAF@Perovskite systems have been studied by five kinetic models (Pseudo-1st -order (PFO), Pseudo-2nd -order (PSO), Mixed 1st, 2nd-order, Intraparticle diffusion and Avrami). The best model described the adsorption of CAF onto both of MOF and perovskite was the mixed 1st, 2nd-order model. The metal-organic framework and perovskite were applied to quickly extract CAF from water samples successfully. The maximum removal percentage obtained for MOF and perovskite was 0.89% and 0.94% respectively within 30 min contact time which suggests that these materials are considered as promising adsorbents for CAF.
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Affiliation(s)
- Amira Essam
- Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - Samaa Imam Eldek
- Materials science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
| | - Nabila Shehata
- Environmental Science and Industrial Development Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, Egypt
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Wang Y, Kong H, Chen R, Xu Z, Zhou P, Zhan Y, Huang W, Cheng H, Li L, Feng J. Determination of Aminophylline in Human Serum Using Hydrogel Microspheres for Coupled Surface-Enhanced Raman Spectroscopy (SERS) and Solid-Phase Extraction. APPLIED SPECTROSCOPY 2024; 78:551-560. [PMID: 38389424 DOI: 10.1177/00037028241233016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
Aminophylline (AMP) is a bronchodilator. The therapeutic and toxic doses are very close. Therefore, therapeutic drug monitoring (TDM) of AMP is essential in clinical practice. Microgels were synthesized by free radical precipitation polymerization. Silver@poly(N-isopropyl acrylamide) (Ag@PNIPAM) hybrid microgels were obtained by loading silver (Ag) nanoparticles into the three-dimensional network of the microgels by in situ reduction. The microgel is a three-dimensional reticular structure with tunable pore size, large specific surface area, and good biocompatibility, which can be used as a sorbent for solid-phase extraction (SPE) of target molecules in complex matrices and as a surface-enhanced Raman spectroscopy (SERS) substrate. We optimized the conditions affecting SERS enhancement, such as silver nitrate (AgNO3) concentration and SPE time, according to the SERS strategy of Ag@PNIPAM hybrid microgels to achieve label-free TDM for trace AMP in human serum. The results showed good linearity between the logarithmic concentration of AMP and its SERS intensity in the range of 1-1.1 × 102 µg/mL, with a correlation coefficient (R2) of 0.9947 and a low detection limit of 0.61 µg/mL. The assay accuracy was demonstrated by spiking experiments, with recoveries ranging from 93.0 to 101.8%. The method is rapid, sensitive, reproducible, requires simple sample pretreatment, and has good potential for use in clinical treatment drug monitoring.
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Affiliation(s)
- Ying Wang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
| | - Hongxing Kong
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
| | - Ruijue Chen
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
| | - Ziwei Xu
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
| | - Pei Zhou
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
| | - Yaqin Zhan
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
| | - Wenyi Huang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
- Province and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, Guangxi, China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
- Province and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, Guangxi, China
| | - Lijun Li
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
- Province and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, Guangxi, China
| | - Jun Feng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Faculty of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou City, Guangxi, China
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Yang JM, Liu BW, Zhang W. Superior Adsorptive Removal of Anionic Azo Dyes from Aqueous Solutions Using Sulfonic Acid Group-Modified MIL-101@Graphene Oxide Composite. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:6962-6970. [PMID: 38523302 DOI: 10.1021/acs.langmuir.3c04012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
It is critical to remove organic contaminants from wastewater released by the printing and dyeing industry for addressing water pollution issue. Therefore, the fabrication of new adsorbents with excellent removal efficiencies is an urgent task. A composite of MIL-101 partially functionalized with -SO3H (MIL-101-SO3H) and graphene oxide (GO) was prepared by assembling MIL-101-SO3H truncated octahedrons on the GO framework. The synthesized MIL-101-SO3H@GO has a superior adsorption efficiency for anionic azo dyes. The maximum adsorption capacities of MIL-101-SO3H@GO-1 for Congo red, methyl orange, acid orange 7, and acid orange G reached 2711.3, 818.8, 551.2, and 319.8 mg/g, respectively, which are considerably higher than those obtained using unmodified MIL-101. This is because additional interactions that promote azo dye adsorption, such as hydrogen bonding between the dye and the sulfonic acid groups of MIL-101-SO3H or the carboxyl groups of GO, were induced, and agglomerate pores that accommodated the dye were formed in the composite. The ultrahigh removal efficiency of the composite for azo dyes is mainly driven by hydrogen bonding, electrostatic interactions, π-π stacking between the MIL-101-SO3H@GO and dye molecules, synergistic interactions at the interface of GO and MIL-101-SO3H microcrystals, and the pore-filling effect. Understanding these driving forces for dye adsorption can contribute to the development of sustainable and functionally modified metal-organic framework composite adsorbents.
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Affiliation(s)
- Ji-Min Yang
- School of Chemistry & Chemical Engineering, Linyi University, Linyi 276005, China
| | - Bo-Wen Liu
- School of Chemistry & Chemical Engineering, Linyi University, Linyi 276005, China
| | - Wei Zhang
- School of Chemistry & Chemical Engineering, Linyi University, Linyi 276005, China
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Sakhaei Niroumand J, Peighambardoust SJ, Mohammadi R. Tetracycline decontamination from aqueous media using nanocomposite adsorbent based on starch-containing magnetic montmorillonite modified by ZIF-67. Int J Biol Macromol 2024; 259:129263. [PMID: 38191117 DOI: 10.1016/j.ijbiomac.2024.129263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 12/28/2023] [Accepted: 01/03/2024] [Indexed: 01/10/2024]
Abstract
In the present study, starch/zeolitic imidazole framework-67 (ZIF-67) modified magnetic montmorillonite nanocomposite adsorbent to remove tetracycline (TC) as an emerging antibiotic-based contaminant from aqueous media. The surface properties of the adsorbents were investigated using FTIR, XRD, SEM, EDX-Map, XPS, TEM, BET, and VSM analysis. The specific surface area of MMT, St/MMT-MnFe2O4, and St/MMT-MnFe2O4-ZIF-67 magnetic nanocomposite samples were found to be 15.63, 20.54, and 588.41 m2/g, respectively. The influence of pH, adsorbent amount, initial TC concentration, temperature, contact time, and coexisting ions on TC elimination was explored in a batch adsorption system. The kinetic and equilibrium data were well matched with the pseudo-second-order and Langmuir isotherm models, respectively. The maximum monolayer adsorption capacities of TC were obtained to be 40.24, 66.1, and 135.2 mg/g by MMT, St/MMT-MnFe2O4, and St/MMT-MnFe2O4-ZIF-67 magnetic nanocomposite adsorbents, respectively. Also, thermodynamic studies illustrated that the TC adsorption process is exothermic and spontaneous. Furthermore, the magnetic nanocomposite adsorbent St/MMT-MnFe2O4-ZIF-67 showed good reusability and could be recycled for up to five cycles. This excellent adsorption performance, coupled with the facile separation of the magnetic nanocomposite, gave St/MMT-MnFe2O4-ZIF-67 a high potential for TC removal from aqueous media.
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Affiliation(s)
| | | | - Reza Mohammadi
- Polymer Research Laboratory, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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Rabeie B, Mahmoodi NM. Heterogeneous MIL-88A on MIL-88B hybrid: A promising eco-friendly hybrid from green synthesis to dual application (Adsorption and photocatalysis) in tetracycline and dyes removal. J Colloid Interface Sci 2024; 654:495-522. [PMID: 37862801 DOI: 10.1016/j.jcis.2023.10.060] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 10/22/2023]
Abstract
Herein, the green synthesis of heterogeneous dual functional MIL88A-on-MIL88B hybrids (MIL: Materials InstituteLavoisier) with different amounts of MIL88B compared to MIL88A, including 1:2, 1:1, and 2:1, has been carried out. The photocatalytic degradation of tetracycline and adsorption of tetracycline and dyes (Direct Red 80, Direct Red 23, Acid Blue 92, and Reactive Orange 14) were investigated. Although the ratio of MIL88A-on-MIL88B (1:1) hybrid displayed the best activity, there is a slight difference in the photocatalytic performance of the other mass ratios studied. The result revealed that after 70 min of forming MIL88A on MIL88B, the best pollutant removal performance is obtained. During the limited synthesis time, the lopsided growth of MIL88A on the MIL88B surface limits the formation of sufficient functional groups and new pores between MIL88B as the substrate and MIL88A, which are effective and decisive in the performance. In the photocatalytic studies, the synthesized composite had good compatibility with the zero-order kinetics, and hydroxyl radicals were recognized as the most active species in the photocatalytic reaction. In the adsorption process, the MIL88A-on-MIL88A composite followed pseudo-second-order kinetics and the Langmuir isotherm. Besides, mechanisms such as π-π interaction/stacking, hydrogen bonding, and π-metal interaction were proposed for the pollutant adsorption process.
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Affiliation(s)
- Bahareh Rabeie
- Department of Environmental Research, Institute for Color Science and Technology, Tehran, Iran
| | - Niyaz Mohammad Mahmoodi
- Department of Environmental Research, Institute for Color Science and Technology, Tehran, Iran.
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Sharma SK, Ranjani P, Mamane H, Kumar R. Preparation of graphene oxide-doped silica aerogel using supercritical method for efficient removal of emerging pollutants from wastewater. Sci Rep 2023; 13:16448. [PMID: 37777623 PMCID: PMC10542781 DOI: 10.1038/s41598-023-43613-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 09/26/2023] [Indexed: 10/02/2023] Open
Abstract
Emerging pollutants and a large volume of unused dyes from the textile industry have been contaminating water bodies. This work introduces a scalable approach to purifying water by the adsorption of Acid green 25 (AG), Crystal Violet (CV), and Sulfamethoxazole (SMA) from an aqueous solution by graphene oxide (GO) doped modified silica aerogel (GO-SA) with supercritical fluid deposition (SFD) method. Characterization of GO-SA using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), high-resolution scanning electron microscopy (HR-SEM), thermogravimetric analysis (TGA), and Brunauer-Emmett-Teller (BET) adsorption isotherms revealed the improvement in the adsorbent surface area, and its textural properties. The high removal percentages observed in most of the experimental runs provide evidence of the excellent performance of the adsorbent towards the anionic and cationic dyes along with the antibiotic. The adsorption isotherm and kinetics showed that the Langmuir isotherm and pseudo-second-order kinetic models could explain adsorption. The adsorbent holds a higher adsorption capacity for SMA (67.07 mg g-1) than for CV (41.46 mg g-1) and AG (20.56 mg g-1) due to the higher hydrophobicity that interacts with the hydrophobic adsorbent. The GO-SA successfully removed AG, CV, and SMA with removal percentages of 98.23%, 98.71%, and 94.46%, respectively. The parameters were optimized using Central Composite Design (RSM-CCD). The prepared aerogel showed excellent reusability with a removal efficiency of > 85% even after 5 cycles. This study shows the potential of GO-SA adsorbent in textile and other wastewater purification.
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Affiliation(s)
- Subhash Kumar Sharma
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
| | - P Ranjani
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Hadas Mamane
- School of Mechanical Engineering, Faculty of Engineering, Tel Aviv University, 69978, Tel Aviv, Israel
| | - Rajnish Kumar
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai, 600036, India.
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Emam HE, Ahmed HB, El-Shahat M, Abdel-Gawad H, Abdelhameed RM. Selective separation of chlorophyll-a using recyclable hybrids based on Zn-MOF@cellulosic fibers. Sci Rep 2023; 13:15208. [PMID: 37709829 PMCID: PMC10502031 DOI: 10.1038/s41598-023-42151-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 09/06/2023] [Indexed: 09/16/2023] Open
Abstract
Chlorophyll-a as pigments, exist in the green organelles for plants that act in photosynthesis. Different studies were considered with demonstration of an effective separation technique of Chlorophyll-a without decomposition; however, the reported methods were disadvantageous with expensiveness and low quantum yield. The current work uniquely represents an investigative method for the separation of Chlorophyll-a from spinach extract using cellulosic hybrids based on ZIF-8 @cellulosic fibers (Zn-zeolitic imidazolate frameworks@cellulosic fibers) as a cost effective and recyclable absorbents. To obtain hybrids, ZIF-8 was in-situ prepared over the cellulosic fibers (bamboo, modal and cotton). The untreated and treated fibers were well characterized via FTIR, SEM, EDX, XRD, in order to approve the successive impregnation of ZIF-8. Whereas, the microscopic images showed that, microcrystalline ZIF-8 rods with length of 1.3-4.4 µm were grown over the cellulosic fibers. The obtained hybrids and the untreated fibers were exploited in the separation of Chlorophyll-a via the adsorption/desorption process. The chlorophyll-adsorption was followed Langmuir isotherm and pseudo-second order model. The Langmuir maximum capacities of Chlorophyll-a onto hybrids were followed the order of ZIF-8@cotton (583.6 mg/g) > ZIF-8@modal (561.3 mg/g) > ZIF-8@bamboo (528.7 mg/g). After incorporation of ZIF-8, the maximum adsorption capacities of cellulosic fibers were enhanced by 1.4-1.9 times. Adsorption of chlorophyll onto the applied hybrids was lowered by 27-28%, after five repetitive washing cycles. The data summarized that; chlorophyll was effectively separated by the synthesized ZIF-8@cellulosic fibers hybrids, whereas, the prepared hybrids showed good reusability for application on wider scaled purposes.
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Affiliation(s)
- Hossam E Emam
- Department of Pretreatment and Finishing of Cellulosic Based Textiles, Textile Research and Technology Institute, National Research Centre, Scopus Affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza, 12622, Egypt.
| | - Hanan B Ahmed
- Chemistry Department, Faculty of Science, Helwan University, Ain-Helwan, Cairo, 11795, Egypt.
| | - Mahmoud El-Shahat
- Photochemistry Department, Chemical Industries Research Institute, National Research Centre, Scopus Affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza, 12622, Egypt
| | - Hassan Abdel-Gawad
- Applied Organic Chemistry Department, Chemical Industries Research Institute, National Research Centre, Scopus Affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza, 12622, Egypt
| | - Reda M Abdelhameed
- Applied Organic Chemistry Department, Chemical Industries Research Institute, National Research Centre, Scopus Affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza, 12622, Egypt.
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11
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Yao B, Zeng W, Núñez-Delgado A, Zhou Y. Simultaneous adsorption of ciprofloxacin and Cu 2+ using Fe and N co-doped biochar: Competition and selective separation. WASTE MANAGEMENT (NEW YORK, N.Y.) 2023; 168:386-395. [PMID: 37348381 DOI: 10.1016/j.wasman.2023.06.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 06/05/2023] [Accepted: 06/12/2023] [Indexed: 06/24/2023]
Abstract
The treatment of combined antibiotics and heavy metals pollution is a critical challenge. Herein, iron and nitrogen co-doped biochar (Fe/N-BC) was synthesized using rape straw as precursor, and applied for the adsorption of ciprofloxacin (CIP) and Cu2+ in single and binary systems. The qmax for CIP and Cu2+ were 46.45 mg g-1 and 30.77 mg g-1, respectively. Adsorption decreased in a binary matrix, indicating that there was a competitive effect between CIP and Cu2+, which might be due to CIP and Cu2+ sharing similar active adsorption sites on Fe/N-BC. Interestingly, CIP and Cu2+ co-adsorption was a pH-dependent process. Fe/N-BC has potential to highly selectively separate CIP/Cu2+ from mixed solutions through adjusting pH values. Furthermore, adsorption mechanisms were systematically investigated in this research. This research could help to provide a deeper understanding of the synchronously removing specific antibiotics and heavy metals by biochar adsorbents.
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Affiliation(s)
- Bin Yao
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of the Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Wenqing Zeng
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of the Environment and Ecology, Hunan Agricultural University, Changsha 410128, China
| | - Avelino Núñez-Delgado
- Department of Soil Science and Agricultural Chemistry, Univ. Santiago de Compostela, Engineering Polytechnic School, Campus Univ. S/n, 27002 Lugo, Spain
| | - Yaoyu Zhou
- Hunan International Scientific and Technological Cooperation Base of Agricultural Typical Pollution Remediation and Wetland Protection, College of the Environment and Ecology, Hunan Agricultural University, Changsha 410128, China.
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12
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Lan T, Wu P, Yin X, Zhao Y, Liao J, Wang D, Liu N. Rigidity and Flexibility: Unraveling the Role of Fulvic Acid in Uranyl Sorption on Graphene Oxide Using Molecular Dynamics Simulations. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023. [PMID: 37399448 DOI: 10.1021/acs.est.3c01026] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
Using molecular dynamics simulations, this work targets a molecular understanding on the rigidity and flexibility of fulvic acid (FA) in uranyl sorption on graphene oxide (GO). The simulations demonstrated that both rigid Wang's FA (WFA) and flexible Suwannee River FA (SRFA) can provide multiple sites to cooperate with GO for uranyl sorption and act as "bridges" to connect uranyl and GO to form GO-FA-U (type B) ternary surface complexes. The presence of flexible SRFA was more beneficial to uranyl sorption on GO. The interactions of WFA and SRFA with uranyl were primarily driven by electrostatics, and the electrostatic interaction of SRFA-uranyl was significantly stronger owing to the formation of more complexes. The flexible SRFA could markedly enhance the bonding strength of uranyl with GO by folding itself to provide more sites to coordinate with uranyl. The rigid WFAs tended to be adsorbed on the GO surface in parallel due to π-π interactions, whereas the flexible SRFAs took more slant configurations resulting from intermolecular hydrogen bonds. This work provides new insights into the sorption dynamics, structure, and mechanism and addresses the effect of molecular rigidity and flexibility, with great significance for FA-based remediation strategies of uranium-contaminated sites.
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Affiliation(s)
- Tu Lan
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, People's Republic of China
| | - Peng Wu
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, People's Republic of China
| | - Xiaoyu Yin
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, People's Republic of China
| | - Yufan Zhao
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, People's Republic of China
| | - Jiali Liao
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, People's Republic of China
| | - Dongqi Wang
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, People's Republic of China
| | - Ning Liu
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, People's Republic of China
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13
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Chen R, Chen Q, Wang Y, Feng Z, Xu Z, Zhou P, Huang W, Cheng H, Li L, Feng J. Ultrasensitive SERS substrate for label-free therapeutic drug monitoring of chlorpromazine hydrochloride and aminophylline in human serum. Anal Bioanal Chem 2023; 415:1803-1815. [PMID: 36928580 DOI: 10.1007/s00216-023-04621-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/13/2023] [Accepted: 02/16/2023] [Indexed: 03/18/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) has been widely used in the field of therapeutic drug monitoring (TDM) because of its powerful fingerprinting capability. In this paper, we used an in situ synthesis method to anchor Ag nanoparticles (AgNPs) on the surface of MIL-101(Cr) to obtain MIL-101(Cr)@Ag. Owing to the large specific surface area and ultra-high porosity of MIL-101(Cr)@Ag, we developed a method for the determination of chlorpromazine hydrochloride (CPZ) and aminophylline (AMP) in human serum by using it as a solid-phase extraction sorbent and SERS substrate. The label-free TDM-SERS method was able to evaluate the levels of CPZ and AMP in serum samples with detection limits as low as 8.91 × 10-2 µg/mL and 3.4 × 10-2 µg/mL, respectively. In addition, influencing factors including sample solution pH, AgNO3 concentration, drug adsorption time, and the amount of sample solution were optimized. This protocol provides a new method with good selectivity, stability, reproducibility, homogeneity, and sensitivity for the determination of small-molecule drug content in serum samples. This label-free TDM-SERS method will help to achieve rapid individualized dosing regimens in clinical practice and has potential applications in the field of TDM.
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Affiliation(s)
- Ruijue Chen
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China.,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China
| | - Qiying Chen
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China.,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China
| | - Ying Wang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China.,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China
| | - Zhiyang Feng
- KingMed College of Laboratory Medicine, Guangzhou Medical University, Guangzhou, 510182, China
| | - ZiWei Xu
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China.,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China
| | - Pei Zhou
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China.,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China
| | - Wenyi Huang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China.,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China.,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China
| | - Lijun Li
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China. .,Provine and Ministry Co-Sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, People's Republic of China.
| | - Jun Feng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, School of Medicine/College of Biological and Chemical Engineering, Guangxi University of Science and Technology, No. 257 Liushi Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region, People's Republic of China. .,State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin, 541004, People's Republic of China.
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14
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Sharma P, Jatrana A, Mondal S, Maan S, Kumar V. A Promising HKUST‐1@SiO
2
Composite for the Effective Adsorption of Chlorpyriphos from Aqueous Medium. ChemistrySelect 2023. [DOI: 10.1002/slct.202204312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Affiliation(s)
- Prachi Sharma
- Department of Chemistry Chaudhary Charan Singh Haryana Agricultural University Hisar Haryana 125001
| | - Anushree Jatrana
- Department of Chemistry Chaudhary Charan Singh Haryana Agricultural University Hisar Haryana 125001
| | - Sanchit Mondal
- Department of Chemistry Chaudhary Charan Singh Haryana Agricultural University Hisar Haryana 125001
| | - Sheetal Maan
- Department of Chemistry Chaudhary Charan Singh Haryana Agricultural University Hisar Haryana 125001
| | - Vinay Kumar
- Department of Physics Chaudhary Charan Singh Haryana Agricultural University Hisar Haryana 125001
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15
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Cui GY, Zhang W, Yang JM. Selective adsorptive removal of anionic dyes from aqueous solutions using MIL-101@GO: Effect of GO. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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16
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Zhu Y, Shen J, Guo M, Zheng H, Cao Y. Nitrogen-doped magnetic porous carbon material from low-cost anion-exchange resin as an efficient adsorbent for tetracyclines in water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:27315-27327. [PMID: 36378367 DOI: 10.1007/s11356-022-24093-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
In this work, nitrogen-doped magnetic porous carbon material (N-MPC) was prepared through the high-temperature calcination of low-cost [Fe(CN)6]3--loaded anion-exchange resin, which was experimentally demonstrated to have significant adsorption performance for tetracycline (TC) in water. The N-MPC adsorbent with a large specific surface area (781.1 m2 g-1) was able to maintain excellent performance in a wide pH range from 4 to 10 or in high ionic strength solution. The adsorption of TC on N-MPC was found to be more consistent with the pseudo-second-order model and Langmuir adsorption model, and the maximum adsorption capacity (qm, cal) was calculated to be 603.4 mg g-1. As a recoverable magnetic adsorbent, the N-MPC remained a TC removal rate higher than 70% after four adsorption cycles. The adsorption mechanism was speculated on the basis of characterizations, where pore filling, hydrogen bonding interaction, and π-π electron donor-acceptor (EDA) interaction were crucial adsorption mechanisms. A variety of antibiotics were selected for adsorption, and excellent performance was found especially for TCs, indicating that the N-MPC can be used for the efficient removal of TCs from water.
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Affiliation(s)
- Yating Zhu
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
| | - Jia Shen
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
| | - Manli Guo
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China.
| | - Haoling Zheng
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
| | - Yujuan Cao
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
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17
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Yu ZQ, Mao WJ, Lin ZH, Hu XL, Su ZM. Synthesis of porous carbon by composing Co-MOF as a precursor for degrading antibiotics in the water. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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18
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Izadkhah V, Ghorbani-Vaghei R, Alavinia S, Asadabadi S, Emami N, Jamehbozorgi S. Fabrication of Zirconium Metal-Organic-framework/Poly Triazine-phosphanimine Nanocomposite for Dye Adsorption from Contaminated Water: Isotherms and Kinetics Models. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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19
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Emam HE, Abdelhameed RM. Separation of anthocyanin from roselle extract by cationic nano-rode ZIF-8 constructed using removable template. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133607] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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20
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Xing L, Haddao KM, Emami N, Nalchifard F, Hussain W, Jasem H, Dawood AH, Toghraie D, Hekmatifar M. Fabrication of HKUST-1/ZnO/SA nanocomposite for Doxycycline and Naproxen adsorption from contaminated water. SUSTAINABLE CHEMISTRY AND PHARMACY 2022; 29:100757. [PMID: 35990754 PMCID: PMC9380997 DOI: 10.1016/j.scp.2022.100757] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 06/09/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
Doxycycline and Naproxen are among the most widely used drugs in the therapy of CoVID 19 disease found in surface water. Water scarcity in recent years has led to research to treat polluted water. One of the easy and low-cost methods for treatment is adsorption. The utilize of Metal-Organic Frameworks (MOFs) to evacuate pharmaceutical contaminants from water sources has been considered by researchers in the last decade. In this research, HKUST-1/ZnO/SA composite with high adsorption capacity, chemical and water stability, recovery, and reuse properties has been synthesized and investigated. By adding 10 wt% of ZnO and 50 wt% of sodium alginate to HKUST-1, at 25 °C and pH = 7, the specific surface area is reduced by 60%. The parameters of drugs concentration C0 =(5,80) mg/L, time=(15,240) min, and pH= (2,12) were investigated, and the results showed that the HKUST-1/ZnO/SA is stable in water for 14 days and it can be used in 10 cycles with 80% removal efficiency. The maximum Adsorption loading of doxycycline and Naproxen upon HKUST-1/ZnO/SA is 97.58 and 80.04 mg/g, respectively. Based on the correlation coefficient (R2), the pseudo-second-order and the Langmuir isotherm models were selected for drug adsorption. The proposed mechanism of drug uptake is by MOFs, hydrogen bonding, electrostatic bonding, and acid-base interaction.
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Affiliation(s)
- Lihua Xing
- School of Resources, Environment and Architectural Engineering, Chifeng University, Chifeng, Inner Mongolia, 024000, China
| | | | - Nafiseh Emami
- Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
| | - Fereshteh Nalchifard
- Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran
| | | | - Hadeer Jasem
- Medical Instrumentation Techniques Engineering Department, Al-Mustaqbal University College, Babylon, Iraq
| | - Ashour H Dawood
- Department of Pharmacy, Al-Esraa University College, Baghdad, Iraq
| | - Davood Toghraie
- Department of Mechanical Engineering, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr, Iran
| | - Maboud Hekmatifar
- New Technologies Research Center, Amirkabir University of Technology, Tehran, Iran
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21
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Li X, Wu Z, Tao X, Li R, Tian D, Liu X. Gentle one-step co-precipitation to synthesize bimetallic CoCu-MOF immobilized laccase for boosting enzyme stability and Congo red removal. JOURNAL OF HAZARDOUS MATERIALS 2022; 438:129525. [PMID: 35816800 DOI: 10.1016/j.jhazmat.2022.129525] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 06/23/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
Laccase has received extensive attention in pollutant degradation due to its high efficiency and environmental friendliness, but free laccase has poor stability, easy inactivation, and difficulty in recycling, which limited its application. It was a smart strategy to construct a synergistic system for the efficient adsorption and degradation of pollutants by enzyme immobilization to improve the stability and recyclability of the enzyme. In this study, the materials were synthesized by a one-step co-precipitation method. With Cu-MOF as the main body, Co2+ was introduced to construct bimetallic CoCu-MOF as the protective carrier of the enzyme. The enzyme-carrying capacity and enzyme activity of Lac@CoCu-MOF were 2-fold and 3.5-fold higher than those of Lac@Cu-MOF, respectively. Lac@MOF composites had a good protective effect on enzyme in various interfering environments. At pH = 7, free laccase was completely inactivated and Lac@CoCu-MOF maintained 51.76% enzyme activity. In addition, the removal rate of Congo red by Lac@CoCu-MOF reached 90 % in 1 h at pH = 4 % and 95 % in 5 h at pH = 7, and the final TOC mineralization rate reached 86.05 %. After six cycles, the degradation rate of Lac@CoCu-MOF remained above 75 %. Therefore, Lac@CoCu-MOF was constructed with the advantages of enzyme immobilization (enhanced stability and easy operation), material adsorption, and biocatalysis (fast diffusion and high activity), which has great guiding significance for the industrial application of enzyme.
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Affiliation(s)
- Xueping Li
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China; School of Chemistry and Chemical Engineering, The Key Laboratory For Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, PR China
| | - Zhansheng Wu
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China.
| | - Xiyang Tao
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China
| | - Runze Li
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China; School of Chemistry and Chemical Engineering, The Key Laboratory For Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, PR China
| | - Duoduo Tian
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China
| | - Xiaochen Liu
- School of Environmental and Chemical Engineering, Xi'an Laboratory of Textile Chemical Engineering Auxiliaries, Xi'an Polytechnic University, Xi'an 710048, PR China.
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22
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Mass transfer enhancement for rapid, selective extraction of pharmaceuticals by enlarging the microporous on isostructural zeolitic imidazolate Framework-8. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Li Z, Ren D, Wang Z, Jiang S, Zhang S, Zhang X, Chen W. Adsorption and removal of direct red 31 by Cu-MOF: optimization by response surface. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2022; 86:80-94. [PMID: 35838284 DOI: 10.2166/wst.2022.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cu(PABA) is a Cu-based MOF material assembled from Cu2+ and the organic ligand p-aminobenzoic acid (PABA). Cu (PABA) was synthesized by a solvothermal method, characterized and applied to the adsorption of direct red 31 dye (DR-31). The effects of pH, DR-31 concentration and temperature on the adsorption performance of Cu(PABA) were investigated. The adsorption kinetics were analyzed by pseudo-first-order, pseudo-second-order and intra-particle diffusion models, and the adsorption equilibrium data was fitted by Langmuir and Freundlich isotherm models. The pseudo-first-order kinetics and Langmuir model satisfactorily described the adsorption kinetics and adsorption equilibrium, respectively. The maximum adsorption capacity of Cu(PABA) for DR-31 dye at room temperature was 1,244.8 mg/g, as calculated using the Langmuir adsorption isotherm model. By response surface methodology (RSM), the optimal adsorption was found at pH value of 10.9, DR-31 dye concentration of 216.6 mg/L, and temperature of 27 °C, and the removal rate was as high as 99.4%. Therefore, Cu(PABA) can be used as an efficient adsorbent for removing DR-31 dye from aqueous solution.
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Affiliation(s)
- Zihang Li
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China E-mail: ; Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Dajun Ren
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China E-mail: ; Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Zhaobo Wang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China E-mail: ; Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Shan Jiang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China E-mail: ; Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Shuqin Zhang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China E-mail: ; Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Xiaoqing Zhang
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China E-mail: ; Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Wangsheng Chen
- College of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China E-mail: ; Hubei Key Laboratory for Efficient Utilization and Agglomeration of metallurgic Mineral Resources, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
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24
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Sukatis FF, Wee SY, Aris AZ. Potential of biocompatible calcium-based metal-organic frameworks for the removal of endocrine-disrupting compounds in aqueous environments. WATER RESEARCH 2022; 218:118406. [PMID: 35525031 DOI: 10.1016/j.watres.2022.118406] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/28/2022] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Rapid urbanization, industrialization and population growth have accelerated the amount and variety of emerging contaminants being released into the aqueous environment, including endocrine-disrupting compounds (EDCs). The introduction of these compounds constitutes a threat to human health and the environment, even at trace levels. Hence, new water treatment technologies are urgently required to effectively remove EDCs from water. The currently available technologies used in water remediation processes are expensive and ineffective, and some produce harmful by-products. Calcium-based metal-organic frameworks (Ca-MOFs) are porous synthetic materials that can potentially be applied as adsorbents. These MOFs are hydrolytically stable, biocompatible and low-cost compared with conventional porous materials. The structure of Ca-MOFs is maintained even though calcium metal centers in the structure can easily coordinate with water. Ca-MOFs and their composite derivatives have the potential for use in water purification because these biocompatible adsorbents have been shown to selectively extract a significant quantity of contaminants. This review highlights the potential of Ca-MOFs to adsorb EDCs from aqueous environments and discusses adsorbent preparation methods, adsorption mechanisms, removal capacity, water stability and recyclability. This review will support future efforts in synthesizing new biocompatible MOFs as an environmental treatment technology that can effectively remove EDCs from water, thereby improving environmental and human health.
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Affiliation(s)
- Fahren Fazzer Sukatis
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Sze Yee Wee
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Ahmad Zaharin Aris
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia; International Institute of Aquaculture and Aquatic Sciences, Universiti Putra Malaysia, 71050 Port Dickson, Negeri Sembilan, Malaysia.
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Cevallos-Mendoza J, Amorim CG, Rodríguez-Díaz JM, Montenegro MDCBSM. Removal of Contaminants from Water by Membrane Filtration: A Review. MEMBRANES 2022; 12:membranes12060570. [PMID: 35736277 PMCID: PMC9229562 DOI: 10.3390/membranes12060570] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 05/27/2022] [Accepted: 05/27/2022] [Indexed: 12/07/2022]
Abstract
Drinking water sources are increasingly subject to various types of contamination due to anthropogenic factors and require proper treatment to remove disease-causing agents. Public drinking water systems use different treatment methods to provide safe and quality drinking water to populations. However, they are ineffective in removing contaminants that are considered a danger to the environment and therefore to humans. Several alternative treatment processes have been proposed, such as membrane filtration, as final purification methods. This paper aims to summarize the type of pollutant compounds, filtration processes, and membranes that have been most studied in this area with particular emphasis on how the modification of membranes, either the manufacturing process or the incorporation of nanomaterials, influences their performance.
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Affiliation(s)
- Jaime Cevallos-Mendoza
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
- Instituto de Admisión y Nivelación, Universidad Técnica de Manabí, Portoviejo 130105, Ecuador
- Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo 130105, Ecuador
| | - Célia G. Amorim
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
- Correspondence: (C.G.A.); (J.M.R.-D.); (M.d.C.B.S.M.M.)
| | - Joan Manuel Rodríguez-Díaz
- Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo 130105, Ecuador
- Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo 130105, Ecuador
- Correspondence: (C.G.A.); (J.M.R.-D.); (M.d.C.B.S.M.M.)
| | - Maria da Conceição B. S. M. Montenegro
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal;
- Correspondence: (C.G.A.); (J.M.R.-D.); (M.d.C.B.S.M.M.)
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26
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Karimi S, Namazi H. Magnetic alginate/glycodendrimer beads for efficient removal of tetracycline and amoxicillin from aqueous solutions. Int J Biol Macromol 2022; 205:128-140. [PMID: 35181320 DOI: 10.1016/j.ijbiomac.2022.02.066] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/31/2022] [Accepted: 02/12/2022] [Indexed: 12/12/2022]
Abstract
The release of antibiotic drugs into aquatic environments is a serious environmental and health problem in recent years. Therefore, the development of potential adsorbents for the effective removal of tetracycline (TC) and amoxicillin (AMX) of aqueous media is of great importance. In this study, new alginate beads were successfully prepared by encapsulation of Fe3O4@maltose-functionalized triazine dendrimer in alginate (Alg/Fe3O4@C@TD) for the first time. The obtained beads were utilized as a well adsorbent for the removal of TC and AMX antibiotics from aqueous solutions by batch adsorption procedure. The characteristics of the synthesized beads were investigated using FT-IR, Zeta potential, SEM, XRD, EDX, VSM, and BET. The effects of various operation factors such as adsorbent dose, pH of the solution, contact time, antibiotic initial concentration, temperature, and ionic strength on the removal of antibiotics were studied. Moreover, Langmuir and Freundlich adsorption isotherm results showed that the Langmuir model fitted well for the adsorption of both antibiotics onto Alg/Fe3O4@C@TD beads. Based on the Langmuir model, the maximum adsorption capacity of TC and AMX onto Alg/Fe3O4@C@TD beads at 25 °C was 454.54 and 400 mg/g, respectively. Kinetic and thermodynamic studies also indicated that the TC and AMX adsorption were found to be well fitted with a pseudo-second-order kinetic model, feasible, endothermic, and spontaneous in nature. In addition, the Alg/Fe3O4@C@TD beads showed excellent reusability for removal from both antibiotics after six adsorption cycles. Overall, the obtained results suggest that Alg/Fe3O4@C@TD beads could be considered as a low-cost and eco-friendly adsorbent for antibiotic contaminants removal from aquatic media.
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Affiliation(s)
- Soheyla Karimi
- Research Laboratory of Dendrimers and Nanopolymers, Faculty of Chemistry, University of Tabriz, P.O. Box 51666, Tabriz, Iran
| | - Hassan Namazi
- Research Laboratory of Dendrimers and Nanopolymers, Faculty of Chemistry, University of Tabriz, P.O. Box 51666, Tabriz, Iran; Research Center for Pharmaceutical Nanotechnology (RCPN), Tabriz University of Medical Science, Tabriz, Iran.
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Wang J, Li H, Yue D. Enhanced adsorption of humic/fulvic acids onto urea-derived graphitic carbon nitride. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127643. [PMID: 34740511 DOI: 10.1016/j.jhazmat.2021.127643] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 10/10/2021] [Accepted: 10/27/2021] [Indexed: 06/13/2023]
Abstract
Since humic substances (HSs) can cause environmental problems, their elimination has been attracting more and more concerns. In this study, we investigated HSs adsorption onto urea-derived graphitic carbon nitride (CNU) and elucidated adsorption mechanisms (i.e. heterogeneity, interface rearrangement, and multiple interactions). The adsorption capacity of CNUs was enhanced as increasing calcination temperature and time. Among CNUs, CNU-575-3 showed the highest adsorption capacity; the maximum adsorption capacities for humic acid (HA) and fulvic acid (FA) were 164.06 mg C/g, 14.61 L/cm·g, 91.12 mg C/g, and 5.34 L/cm·g, respectively. The adsorption affinity of CNUs mainly correlated with the amount of amino groups, and that of HSs components was dependent on aromaticity due to π-π interactions. More specifically, terrestrial humic-like and fulvic-like components within HA and FA showed the greatest adsorption affinity, respectively. HSs adsorption was remarkably affected by pH, alkali metals, and alkali earth metals via electrostatic interactions, H-bonding, cation bridge, and configurational effect. In addition, the adsorption of Elliott soil HA (ESHA) and the landfill leachate concentrate by CNUs was also highly efficient. This study shows the great promise of CNUs for HSs adsorption in waters and wastewaters.
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Affiliation(s)
- Jianchao Wang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Hongxin Li
- Beijing University of Civil Engineering and Architecture, School of Environment and Energy Engineering, Beijing 100044, China
| | - Dongbei Yue
- School of Environment, Tsinghua University, Beijing 100084, China.
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28
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Purification of soybean oil from diazinon insecticide by iron-based metal organic framework: Effect of geometrical shape and simulation study. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131914] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Albaqami MD, Alobaid AO, Nafady A. Efficient Adsorption of Carbofuran via Tailored Porous Polyacrylonitrile Film Incorporating Ti-MIL Coordination Polymer. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-021-02205-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Hooriabad Saboor F, Nasirpour N, Shahsavari S, Kazemian H. The Effectiveness of MOFs for the Removal of Pharmaceuticals from Aquatic Environments: A Review Focused on Antibiotics Removal. Chem Asian J 2021; 17:e202101105. [PMID: 34941022 DOI: 10.1002/asia.202101105] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/09/2021] [Indexed: 11/06/2022]
Abstract
There is an increasing level of various pollutants and their persistence in aquatic environments. The improper use of antibiotics and their inefficient metabolism in organisms result in their release into aquatic environments. Antibiotic abuse has led to hazardous effects on human health. Thereby, efficient removal of pharmaceuticals, particularly antibiotics, from wastewater and contaminated water bodies is greatly interested in international research communities. Metal-organic framework (MOF) materials, as a hybrid group of material containing metallic center and organic linkers, offer a porous structure that is highly efficient for removing different pollutants from contaminated water and wastewater streams. This article aims to review the recent advancement in using MOF-based adsorbents and catalysts for the removal of pharmaceuticals, especially antibiotics, from polluted water. Applying MOFs-based structures for removing antibiotics using photocatalytic removal and adsorptive removal techniques will be discussed and evaluated in this review paper. Various MOF-based materials such as functionalized MOFs, MOF-based composites, magnetic MOF-based composites, MOFs templated-metal oxide catalysts for removing pharmaceuticals, personal care products, and antibiotics from contaminated aqueous media are discussed. Furthermore, effective operational parameters on the adsorption, adsorption mechanisms, adsorption isotherms, and thermodynamic parameters are explained and discussed. Finally, in the concluding remarks, the challenges and future outlooks of using MOFs-based adsorbents and catalysts for removing antibiotics are summarized.
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Affiliation(s)
- Fahimeh Hooriabad Saboor
- University of Mohaghegh Ardabili, Department of Chemical Engineering, Universtiy Street, 1313156199, Ardabil, IRAN (ISLAMIC REPUBLIC OF)
| | - Niloofar Nasirpour
- University of Mohaghegh Ardabili Faculty of Engineering, Chemical Engineering, IRAN (ISLAMIC REPUBLIC OF)
| | - Shadab Shahsavari
- Islamic Azad University Varamin-Pishva Branch, chemical Engineering, IRAN (ISLAMIC REPUBLIC OF)
| | - Hossein Kazemian
- UNBC: University of Northern British Columbia, Northern Analytical Lab Service, CANADA
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31
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Selective adsorption of dyes and pharmaceuticals from water by UiO metal–organic frameworks: A comprehensive review. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115515] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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32
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Mai T, Wang PL, Yuan Q, Ma C, Ma MG. In situ anchoring Zn-doped ZIF-67 on carboxymethylated bacterial cellulose for effective indigo carmine capture. NANOSCALE 2021; 13:18210-18217. [PMID: 34709278 DOI: 10.1039/d1nr05388d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Zeolitic imidazolate frameworks (ZIFs) have been considered as advanced adsorption materials to alleviate dye pollution. However, the application range is limited due to the powder characteristics of ZIFs. The conjugation of ZIFs with nanocellulose is an attractive strategy to construct profitable materials. Herein, we report an in situ anchoring method for preparing novel ZIFs@carboxymethylated bacterial cellulose (ZCMBC) composite films. The resulting ZCMBC composite films show a high ZIFs loading rate and satisfactory selective indigo carmine removal efficiency. With simple methanol washing, ZCMBC composite films retain a high removal efficiency after regeneration. In addition, ZCMBC composite films also show excellent mechanical properties. The proposed adsorption mechanism and the universality of this in situ anchoring method are also discussed, indicating their application potential in the dye-contaminated wastewater treatment field.
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Affiliation(s)
- Tian Mai
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Pei-Lin Wang
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Qi Yuan
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Chang Ma
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Ming-Guo Ma
- Engineering Research Center of Forestry Biomass Materials and Bioenergy, Beijing Key Laboratory of Lignocellulosic Chemistry, College of Materials Science and Technology, Beijing Forestry University, Beijing 100083, China.
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33
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Ma X, Wang W, Sun C, Li H, Sun J, Liu X. Adsorption performance and kinetic study of hierarchical porous Fe-based MOFs for toluene removal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 793:148622. [PMID: 34328958 DOI: 10.1016/j.scitotenv.2021.148622] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 06/17/2021] [Accepted: 06/19/2021] [Indexed: 06/13/2023]
Abstract
In light of the promising merits of large surface area, uniform pore size, and tunable functional groups, metal-organic frameworks (MOFs) have great potential to be utilized for adsorbing volatile organic compounds (VOCs). In this study, three Fe-based MOFs, MIL-100(Fe), MIL-101(Fe), and MIL-53(Fe), were synthesized systematically and used to adsorb a typical VOC, toluene. Static adsorption, dynamic breakthrough curves, and adsorption kinetics were conducted to assess the adsorption performance. Additionally, the surface functional groups, pore structure, and morphology were systematically characterized by means of XRD, SEM, XPS, FTIR and N2 adsorption-desorption analyses to reveal the cause of the difference in adsorption of these Fe-based MOFs. The results revealed that the maximum equilibrium adsorption capacity of 663 mg/g was achieved by MIL-100(Fe) with the highest specific surface area and pore volume. The dynamic adsorption of toluene on MIL-100(Fe) was in accordance with the pseudo-first order kinetic model and the Langmuir isothermal model. The formed π-π stacking interaction between organic ligands and the benzene ring in the MIL-100(Fe) cluster is the primary adsorption mechanism based on XPS analysis. Moreover, MIL-100(Fe) was easily regenerated via microwave irradiation with a negligible adsorption capacity decrease after three cycles. This work highlights the feasibility of hierarchical porous Fe-based MOFs as toluene adsorbents and promotes the application of MOFs in the field of pollution control.
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Affiliation(s)
- Xiaoling Ma
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong 250061, PR China
| | - Wenlong Wang
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong 250061, PR China.
| | - Chenggong Sun
- Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK.
| | - Hui Li
- School of Thermal Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Jing Sun
- National Engineering Laboratory for Reducing Emissions from Coal Combustion, Engineering Research Center of Environmental Thermal Technology of Ministry of Education, Shandong Key Laboratory of Energy Carbon Reduction and Resource Utilization, School of Energy and Power Engineering, Shandong University, Jinan, Shandong 250061, PR China
| | - Xin Liu
- Faculty of Engineering, University of Nottingham, University Park, Nottingham NG7 2RD, UK
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34
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Show S, Chakraborty P, Karmakar B, Halder G. Sorptive and microbial riddance of micro-pollutant ibuprofen from contaminated water: A state of the art review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 786:147327. [PMID: 33984700 DOI: 10.1016/j.scitotenv.2021.147327] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/28/2021] [Accepted: 04/21/2021] [Indexed: 05/22/2023]
Abstract
Continuous discharge of ibuprofen, a pharmaceutical compound in local water systems is becoming a budding concern as seen from data procured from the past few decades. Increased concentrations of the compound in water reservoirs resulted in adverse effects on the environment. In order to prevent the deleterious impacts of increasing ibuprofen concentration in water bodies, application of cost effective and energy efficient elimination of ibuprofen (IBP) is needed. As a result, various techniques over time have been tested for IBP expulsion from aqueous media. However, adsorption and bioremediation are still the most realistic approaches to remove ibuprofen than conventional methods, like precipitation, reverse osmosis, ion exchange, nano-filtration etc., because of their lower initial cost, reduced electricity consumption, minimized sludge generation, local availability of precursor material etc. Various researchers have reported the applicability of the adsorption and bioremediation process in remediation of ibuprofen from water. Therefore, the present review article confers both the biosorption and bioremediation process towards IBP removal from water bodies and explicates the performances of various adsorbents and microorganisms derived from various sources. The presented review also substantially emphasizes on the effect of different parameters on sorptive uptake of ibuprofen, various isotherms and kinetic models, sorption mechanism and assessment of costs, which could enable future researchers to determine widespread use of reported adsorbents and microbes towards effective elimination of IBP from aqueous media.
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Affiliation(s)
- Sumona Show
- Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Prasenjit Chakraborty
- Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Bisheswar Karmakar
- Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, India.
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35
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Affiliation(s)
- Jagdeep Kaur
- Department of chemistry Chandigarh University Gharuan Punjab 140413 India
| | - Gurmeet Kaur
- Department of chemistry Chandigarh University Gharuan Punjab 140413 India
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36
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Wang J, Yue D, Cui D, Zhang L, Dong X. Insights into Adsorption of Humic Substances on Graphitic Carbon Nitride. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:7910-7919. [PMID: 34038104 DOI: 10.1021/acs.est.0c07681] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Graphitic carbon nitride (CN) has been widely used in environmental pollution remediation. However, the adsorption of organic compounds on CNs, which has practical significance for the environmental application of CNs, is poorly understood. For the first time, this study systematically investigated the adsorption behaviors and mechanisms of humic substances (HSs), i.e., humic acid (HA) and fulvic acid (FA), on CNs derived from four typical precursors. Intriguingly, CN derived from urea (CN-U) showed a great capacity for HS adsorption due to its porous structure and large surface area, with maximum adsorption amounts of 73.24 and 51.62 mgC/g for HA and FA, respectively. The formation, influencing factors, and relative contributions of multiple interactions to HS adsorption on CNs were thoroughly elucidated. HS adsorption on CNs was mainly mediated by electrostatic interactions, π-π interactions, and H-bonding. The dominance of electrostatic interactions resulted in HS adsorption being highly dependent on pH and ionic strength. HS components with high aromaticity and high molecular weight were preferentially adsorbed due to π-π interactions. These multiple interactions were largely affected by amino groups and tri-s-triazine units of CNs, as well as the moieties of aromatic rings and oxygen-containing groups of HSs.
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Affiliation(s)
- Jianchao Wang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Dongbei Yue
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Dongyu Cui
- School of Environment, Tsinghua University, Beijing 100084, China
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- State Environmental Protection Key laboratory of Simulation and Control of Groundwater Pollution, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Lingyue Zhang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Xinwei Dong
- School of Environment, Tsinghua University, Beijing 100084, China
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Cai C, Duan X, Xie X, Kang S, Liao C, Dong J, Liu Y, Xiang S, Dionysiou DD. Efficient degradation of clofibric acid by heterogeneous catalytic ozonation using CoFe 2O 4 catalyst in water. JOURNAL OF HAZARDOUS MATERIALS 2021; 410:124604. [PMID: 33277078 DOI: 10.1016/j.jhazmat.2020.124604] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/02/2020] [Accepted: 11/14/2020] [Indexed: 06/12/2023]
Abstract
CoFe2O4 (Cobalt ferrite, CF) nanoparticles were prepared, well characterized and applied as efficient solid catalyst in catalytic ozonation, named CF/O3 process, for the removal of emerging organic contaminants (EOCs). The degradation and mineralization of clofibric acid (CA) in CF/O3 process were dramatically enhanced in comparison with those under the O3 system. Surface hydroxyl groups (HGs) were considered as an important factor for ozone decomposition and the reactive oxygen species (ROS) on the catalyst surface were mainly responsible for CA elimination. The contribution and formation of ROS, including hydroxyl radicals (•OH), especially superoxide radicals (O2•-), singlet oxygen (1O2), and hydrogen peroxide (H2O2) were evaluated, and a rational mechanism was elucidated accordingly. Probable degradation pathway of CA was proposed according to the organic intermediates identified. The acute toxicity of the treated solution increased during the first 15 min and then declined rapidly and nearly disappeared as the reaction proceeded. In addition, acceptable catalytic performance of CF/O3 can be obtained for the treatment of other EOCs and the treatment of natural surface water spiked with CA. This work presents an efficient and promising catalytic ozonation technique for the elimination of EOCs in complex water matrices.
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Affiliation(s)
- Chun Cai
- School of Environmental Studies, Hubei Provincial Engineering Research Center of Systematic Water Pollution Control, China University of Geosciences, Wuhan 430074, China; Environmental Engineering and Science Program, University of Cincinnati, OH 45221-0071, United States
| | - Xiaodi Duan
- Environmental Engineering and Science Program, University of Cincinnati, OH 45221-0071, United States
| | - Xianjun Xie
- School of Environmental Studies, Hubei Provincial Engineering Research Center of Systematic Water Pollution Control, China University of Geosciences, Wuhan 430074, China
| | - Shuping Kang
- School of Environmental Studies, Hubei Provincial Engineering Research Center of Systematic Water Pollution Control, China University of Geosciences, Wuhan 430074, China
| | - Chanjuan Liao
- College of Resources & Environment, Hunan Agricultural University, Changsha 410128, China
| | - Jiaming Dong
- School of Environmental Studies, Hubei Provincial Engineering Research Center of Systematic Water Pollution Control, China University of Geosciences, Wuhan 430074, China
| | - Yangfan Liu
- School of Environmental Studies, Hubei Provincial Engineering Research Center of Systematic Water Pollution Control, China University of Geosciences, Wuhan 430074, China
| | - Shaofeng Xiang
- School of Environmental Studies, Hubei Provincial Engineering Research Center of Systematic Water Pollution Control, China University of Geosciences, Wuhan 430074, China
| | - Dionysios D Dionysiou
- Environmental Engineering and Science Program, University of Cincinnati, OH 45221-0071, United States.
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38
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Sompornpailin D, Ratanatawanate C, Chantanavorakunchai N, Punyapalakul P. Effects of electrolytes and fractionated dissolved organic matter on selective adsorption of pharmaceuticals on terephthalic acid-based metal-organic frameworks. ENVIRONMENTAL RESEARCH 2021; 196:110335. [PMID: 33075356 DOI: 10.1016/j.envres.2020.110335] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 09/21/2020] [Accepted: 10/08/2020] [Indexed: 06/11/2023]
Abstract
In this study, we investigated the synergetic effects of coexisting electrolytes and dissolved organic matter (DOM) on Carbamazepine (CBZ) and Ciprofloxacin (CIP) adsorption on the 1D flexible structure of MIL-53(Al) and 3D rigid structure of UiO-66(Zr). The effects of electrolytes on the adsorption of CBZ and CIP on 1D flexible framework of MIL-53(Al) were more significant than those observed from the 3D framework of UiO-66(Zr). The presence of sulfate, nitrate, and phosphate anions indicates high potential to promote the adsorption of CBZ and CIP onto MIL-53(Al) and UiO-66(Zr) because of the decrease of solubility and strengthening of electrostatic interactions by substitution of oxo-anions at the metal complex node via covalent bonding. The lower hydration energy of the potassium ion enhanced CBZ adsorption on MIL-53(Al), while the higher hydration energy of calcium and magnesium ions reduced the adsorption capacity of CBZ and CIP on MIL-53(Al) and UiO-66(Zr). CBZ interacted with fractionated humic acid better than CIP. High-density carboxylic and aromatic functional groups on humic acid ensured that only humic acid larger than 1KDa was adsorbed by MIL-53(Al). Tryptophan-like and humic acid-like DOM were both detected in real hospital effluent, and their effects on CIP and CBZ adsorption onto MIL-53(Al) were investigated. The presence of tryptophan did not affect CBZ adsorption on MIL-53(Al) (except when coexisting with calcium ions). Conversely, tryptophan interfered with CIP adsorption. The presence of humic acid lower than 1KDa promoted the adsorption of CBZ and CIP by increasing the breathing effect of MIL-53(Al)'s 1D flexible framework. The presence of humic acid with molecular size greater than 1KDa enhanced both CBZ and CIP adsorption via a multilayer adsorption mechanism.
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Affiliation(s)
- Dujduan Sompornpailin
- International Postgraduate Programs in Hazardous Substance and Environmental Management, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand; Center of Excellence on Hazardous Substance Management, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Chalita Ratanatawanate
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani, 12120, Thailand; Research Network of NANOTEC - CU on Environment, Bangkok, 10330, Thailand
| | | | - Patiparn Punyapalakul
- Center of Excellence on Hazardous Substance Management, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand; Research Unit Control of Emerging Micropollutants in Environment, Chulalongkorn University, Bangkok, 10330, Thailand; Research Network of NANOTEC - CU on Environment, Bangkok, 10330, Thailand.
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Chen M, Li S, Jin C, Shao M, Huang Z, Xie X. Removal of metal-cyanide complexes and recovery of Pt(II) and Pd(II) from wastewater using an alkali-tolerant metal-organic resin. JOURNAL OF HAZARDOUS MATERIALS 2021; 406:124315. [PMID: 33131943 DOI: 10.1016/j.jhazmat.2020.124315] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/29/2020] [Accepted: 10/15/2020] [Indexed: 06/11/2023]
Abstract
Metal-cyanide complexes are hazardous and toxic pollutants that can accumulate in organisms, and their natural degradation is difficult. These complexes are primarily present in alkaline wastewater effluents, and an effective technique for their removal must be developed. Herein, we have successfully synthesized a novel quaternary ammonium-functionalized Zr4+ metal-organic resin (MOR) (H16[Zr6O16(MPATP)4]Cl8·xH2O, MPATP = 2-((1-methylpyridin-1-ium-2-ylmethyl)amino)-terephthalic acid), which we refer to as MOR-2-QAS. With alkali resistance, high surface area, and high anion exchange capacity, it acts by introducing positively charged pyridine into the organic ligand. The experimental results indicate that MOR-2-QAS becomes rapidly attached and efficiently removes Pt(CN)42-, Pd(CN)42-, Co(CN)63-, and Fe(CN)63-. Valuable metals (Pt(II) and Pd(II)) can be effectively recovered from the simulated wastewater containing four-component cyanide complexes via the two-step elution process. The recovery efficiency of Pt(II) and Pd(II) was higher than 90.0% after three adsorption-desorption cycles. The adsorption mechanism, which proceeded via ionic association (ion-exchange) and complied with the minimum surface charge density experiential principle, was confirmed using density functional theory. This study provides ideas for developing efficient and stable MORs to enable the simultaneous removal of multiple metal-cyanide complexes and recovery of valuable metals.
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Affiliation(s)
- Muhan Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Shunling Li
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Ci Jin
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Min Shao
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Zhangjie Huang
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China.
| | - Xiaoguang Xie
- Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China.
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40
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Experimental and Modeling of Dicamba Adsorption in Aqueous Medium Using MIL-101(Cr) Metal-Organic Framework. Processes (Basel) 2021. [DOI: 10.3390/pr9030419] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Drift deposition of emerging and carcinogenic contaminant dicamba (3,6-dichloro-2-methoxy benzoic acid) has become a major health and environmental concern. Effective removal of dicamba in aqueous medium becomes imperative. This study investigates the adsorption of a promising adsorbent, MIL-101(Cr) metal-organic framework (MOF), for the removal of dicamba in aqueous solution. The adsorbent was hydrothermally synthesized and characterized using N2 adsorption-desorption isotherms, Brunauer, Emmett and Teller (BET), powdered X-ray diffraction (XRD), Fourier Transformed Infrared (FTIR) and field emission scanning electron microscopy (FESEM). Adsorption models such as kinetics, isotherms and thermodynamics were studied to understand details of the adsorption process. The significance and optimization of the data matrix, as well as the multivariate interaction of the adsorption parameters, were determined using response surface methodology (RSM). RSM and artificial neural network (ANN) were used to predict the adsorption capacity. In each of the experimental adsorption conditions used, the ANN gave a better prediction with minimal error than the RSM model. The MIL-101(Cr) adsorbent was recycled six times to determine the possibility of reuse. The results show that MIL-101(Cr) is a very promising adsorbent, in particular due to the high surface area (1439 m2 g−1), rapid equilibration (~25 min), high adsorption capacity (237.384 mg g−1) and high removal efficiency of 99.432%.
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41
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Lv J, Chen Q, Liu JH, Yang HS, Wang P, Yu J, Xie Y, Wu YF, Li JR. Effective Removal of Clenbuterol and Ractopamine from Water with a Stable Al(III)-Based Metal-Organic Framework. Inorg Chem 2021; 60:1814-1822. [PMID: 33444010 DOI: 10.1021/acs.inorgchem.0c03296] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Clenbuterol (CLE) and ractopamine (RAC) are two kinds of typical β2-adrenergic agonists which pose a serious threat to the health of human beings. In this work, 10 kinds of metal-organic frameworks (MOFs) with high stability and various pore features are screened to assess adsorption performance for CLE and RAC. An Al(III)-MOF (BUT-19) with abundant ethyl groups exhibits exceptional performance in removing CLE and RAC from water. The maximum adsorption capacity for CLE and RAC are up to 294.1 and 366.3 mg/g under the optimum adsorption conditions, respectively. Meanwhile, the adsorption mechanism effects of pH, temperature, and coexisted ions are investigated systematically. It is found that the MOF pore size and weak hydrogen-bond interactions between CLE/RAC molecules and the MOF are the main causes leading to the extraordinary adsorption. This study provides a new idea for the purposeful design and synthesis of MOFs for removing environmental pollutants and sheds light on the depuration of contaminated water.
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Affiliation(s)
- Jie Lv
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, College of Environmental and Chemical Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Qiang Chen
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, College of Environmental and Chemical Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Jing-Hao Liu
- The Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Sciences and Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Hao-Sen Yang
- Institute of Quality Standards and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing 100081, P. R. China
| | - Peilong Wang
- Institute of Quality Standards and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing 100081, P. R. China
| | - Jiamei Yu
- The Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Sciences and Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Yabo Xie
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, College of Environmental and Chemical Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Yu-Feng Wu
- The Key Laboratory of Advanced Functional Materials, Ministry of Education, College of Materials Sciences and Engineering, Beijing University of Technology, Beijing 100124, P. R. China
| | - Jian-Rong Li
- Beijing Key Laboratory for Green Catalysis and Separation and Department of Environmental Chemical Engineering, College of Environmental and Chemical Engineering, Beijing University of Technology, Beijing 100124, P. R. China
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42
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Isiyaka HA, Jumbri K, Sambudi NS, Zango ZU, Saad B, Mustapha A. Removal of 4-chloro-2-methylphenoxyacetic acid from water by MIL-101(Cr) metal-organic framework: kinetics, isotherms and statistical models. ROYAL SOCIETY OPEN SCIENCE 2021; 8:201553. [PMID: 33614087 PMCID: PMC7890509 DOI: 10.1098/rsos.201553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 12/02/2020] [Indexed: 05/10/2023]
Abstract
Effective removal of 4-chloro-2-methylphenoxyacetic acid (MCPA), an emerging agrochemical contaminant in water with carcinogenic and mutagenic health effects has been reported using hydrothermally synthesized MIL-101(Cr) metal-organic framework (MOF). The properties of the MOF were ascertained using powdered X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, thermal gravimetric analysis (TGA), field emission scanning electron microscopy (FESEM) and surface area and porosimetry (SAP). The BET surface area and pore volume of the MOF were 1439 m2 g-1 and 0.77 cm3 g-1, respectively. Artificial neural network (ANN) model was significantly employed for the accurate prediction of the experimental adsorption capacity (qe ) values with minimal error. A rapid removal of the pollutant (99%) was recorded within short time (approx. 25 min), and the reusability of the MOF (20 mg) was achieved up to six cycles with over 90% removal efficiency. The kinetics, isotherm and thermodynamics of the process were described by the pseudo-second-order, Freundlich and endothermic adsorption, respectively. The adsorption process is spontaneous based on the negative Gibbs free energy values. The significant correlation between the experimental findings and simulation results suggests the great potential of MIL-101(Cr) for the remediation of MCPA from water matrices.
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Affiliation(s)
- Hamza Ahmad Isiyaka
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia
| | - Khairulazhar Jumbri
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia
| | - Nonni Soraya Sambudi
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia
| | - Zakariyya Uba Zango
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia
| | - Bahruddin Saad
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia
| | - Adamu Mustapha
- Department of Geography, Faculty of Earth and Environmental Science, Kano University of Science and Technology, Wudil, 3244 Kano Postal, Nigeria
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43
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Huang L, Shen R, Shuai Q. Adsorptive removal of pharmaceuticals from water using metal-organic frameworks: A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 277:111389. [PMID: 33069144 DOI: 10.1016/j.jenvman.2020.111389] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 09/07/2020] [Accepted: 09/21/2020] [Indexed: 05/12/2023]
Abstract
Pharmaceutical pollution has emerged as a highly concerned issue due to its adverse effects. Elevated concentrations of pharmaceuticals in water should be regulated to satisfy the requirement for the provision of clean water. Metal-organic frameworks (MOFs) with high specific surface area, controllable porous structure, and facile modification can serve as promising adsorbents for the removal of pharmaceutical contaminants from water. In this review, a selected collection illustrating the reliable strategies and concepts to prepare the MOFs-based materials with superior water stability is described. In addition, recent progress on the adsorptive removal of pharmaceutical pollutant using burgeoning and functional MOFs is also summarized in terms of maximum capacity, equilibrium time, and regenerate ability. Meanwhile, to understand the adsorption mechanism, related interactions including coordination with unsaturated site, pore-filling effect, hydrogen bonding, electrostatic, and π-π stacking are further discussed. Finally, critical perspectives/assessment of future research emphasising on fabricating desirable MOFs and establishing structure-property relationships to facilitate capture performance are identified.
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Affiliation(s)
- Lijin Huang
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences (Wuhan), 388 Lumo Road, Wuhan, 430074, PR China.
| | - Rujia Shen
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences (Wuhan), 388 Lumo Road, Wuhan, 430074, PR China
| | - Qin Shuai
- Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences (Wuhan), 388 Lumo Road, Wuhan, 430074, PR China.
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44
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Zango ZU, Jumbri K, Sambudi NS, Ramli A, Abu Bakar NHH, Saad B, Rozaini MNH, Isiyaka HA, Jagaba AH, Aldaghri O, Sulieman A. A Critical Review on Metal-Organic Frameworks and Their Composites as Advanced Materials for Adsorption and Photocatalytic Degradation of Emerging Organic Pollutants from Wastewater. Polymers (Basel) 2020; 12:E2648. [PMID: 33182825 PMCID: PMC7698011 DOI: 10.3390/polym12112648] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 11/01/2020] [Accepted: 11/06/2020] [Indexed: 11/22/2022] Open
Abstract
Water-borne emerging pollutants are among the greatest concern of our modern society. Many of these pollutants are categorized as endocrine disruptors due to their environmental toxicities. They are harmful to humans, aquatic animals, and plants, to the larger extent, destroying the ecosystem. Thus, effective environmental remediations of these pollutants became necessary. Among the various remediation techniques, adsorption and photocatalytic degradation have been single out as the most promising. This review is devoted to the compilations and analysis of the role of metal-organic frameworks (MOFs) and their composites as potential materials for such applications. Emerging organic pollutants, like dyes, herbicides, pesticides, pharmaceutical products, phenols, polycyclic aromatic hydrocarbons, and perfluorinated alkyl substances, have been extensively studied. Important parameters that affect these processes, such as surface area, bandgap, percentage removal, equilibrium time, adsorption capacity, and recyclability, are documented. Finally, we paint the current scenario and challenges that need to be addressed for MOFs and their composites to be exploited for commercial applications.
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Affiliation(s)
- Zakariyya Uba Zango
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia; (A.R.); (B.S.); (M.N.H.R.); (H.A.I.)
- Chemistry Department, Al-Qalam University Katsina, Katsina 2137, Nigeria
| | - Khairulazhar Jumbri
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia; (A.R.); (B.S.); (M.N.H.R.); (H.A.I.)
| | - Nonni Soraya Sambudi
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia;
| | - Anita Ramli
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia; (A.R.); (B.S.); (M.N.H.R.); (H.A.I.)
| | | | - Bahruddin Saad
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia; (A.R.); (B.S.); (M.N.H.R.); (H.A.I.)
| | - Muhammad Nur’ Hafiz Rozaini
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia; (A.R.); (B.S.); (M.N.H.R.); (H.A.I.)
| | - Hamza Ahmad Isiyaka
- Fundamental and Applied Sciences Department, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Malaysia; (A.R.); (B.S.); (M.N.H.R.); (H.A.I.)
| | - Ahmad Hussaini Jagaba
- Civil Engineering Department, Abubakar Tafawa Balewa University, Bauchi 740272, Nigeria;
| | - Osamah Aldaghri
- Physics Department, College of Science, Al-Imam Muhammad Ibn Saud Islamic University, Riyadh 11432, Saudi Arabia;
| | - Abdelmoneim Sulieman
- Radiology and Medical Imaging Department, College of Applied Medical Sciences, Prince Sattam Bin Abduaziz University, Alkharj 11942, Saudi Arabia;
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45
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Huang S, Wang G, Liu J, Du C, Su Y. A Novel CuBi
2
O
4
/BiOBr Direct Z‐scheme Photocatalyst For Efficient Antibiotics Removal: Synergy of Adsorption and Photocatalysis on Degradation Kinetics and Mechanism Insight. ChemCatChem 2020. [DOI: 10.1002/cctc.202000634] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Shushu Huang
- College of Chemistry and Chemical Engineering Inner Monglia University Hohhot 010021 P.R. China
| | - Guodong Wang
- College of Chemistry and Chemical Engineering Inner Monglia University Hohhot 010021 P.R. China
| | - Jiaqi Liu
- College of Chemistry and Chemical Engineering Inner Monglia University Hohhot 010021 P.R. China
| | - Chunfang Du
- College of Chemistry and Chemical Engineering Inner Monglia University Hohhot 010021 P.R. China
| | - Yiguo Su
- College of Chemistry and Chemical Engineering Inner Monglia University Hohhot 010021 P.R. China
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46
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Sompornpailin D, Ratanatawanate C, Sattayanon C, Namuangruk S, Punyapalakul P. Selective adsorption mechanisms of pharmaceuticals on benzene-1,4-dicarboxylic acid-based MOFs: Effects of a flexible framework, adsorptive interactions and the DFT study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 720:137449. [PMID: 32135284 DOI: 10.1016/j.scitotenv.2020.137449] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 02/18/2020] [Accepted: 02/18/2020] [Indexed: 06/10/2023]
Abstract
The synergetic effects of benzene-1,4-dicarboxylic acid (BDC) linker structure and the metal cluster of MOFs on adsorption mechanisms of carbamazepine, ciprofloxacin and mefenamic acid were investigated in single and mixed solutions. A 1D flexible framework MIL-53(Al), 3D rigid framework UiO-66(Zr) and 3D flexible framework MIL-88B(Fe) were applied as adsorbents. The breathing effect of MIL-53(Al) caused by its flexible structure can enhance intraparticle diffusion for all pharmaceuticals and perform a critical role in excellent adsorption performances. The 3D rigid BDC structure of UiO-66(Zr) caused a steric effect that reflected low or negligible adsorption. Unless concerning accessibility through the internal structure of the MOFs, the binding strengths calculated by the DFT study were in the following order: MIL-88B(Fe) > MIL-53(Al) > UiO-66(Zr). The Fe cluster in MIL-88B(Fe) seems to have the highest affinity for the carboxylic group of pharmaceuticals compared with Al and Zr; however, the lower porosity of MIL-88B(Fe) might limit the adsorption capacity. Moreover, in mixed solutions, the higher acidity of mefenamic acid can enhance competitive performance in interactions with the metal cation cluster of each MOF. Together with the breathing effect, H-bonding and π-π interaction were shown to be the alternative interactions of synergetic adsorption mechanisms.
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Affiliation(s)
- Dujduan Sompornpailin
- International Postgraduate Programs in Hazardous Substance and Environmental Management, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand; Center of Excellence on Hazardous Substance Management, Chulalongkorn University, Bangkok 10330, Thailand
| | - Chalita Ratanatawanate
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand.; Research Network of NANOTEC - CU on Environment, Bangkok 10330, Thailand
| | - Chanchai Sattayanon
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
| | - Supawadee Namuangruk
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
| | - Patiparn Punyapalakul
- Center of Excellence on Hazardous Substance Management, Chulalongkorn University, Bangkok 10330, Thailand; Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand; Research unit Control of Emerging Micropollutants in Environment, Chulalongkorn University, Bangkok 10330, Thailand; Research Network of NANOTEC - CU on Environment, Bangkok 10330, Thailand.
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47
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Karami A, Sabouni R, Ghommem M. Experimental investigation of competitive co-adsorption of naproxen and diclofenac from water by an aluminum-based metal-organic framework. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112808] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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48
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Ruan B, Wu P, Liu J, Jiang L, Wang H, Qiao J, Zhu N, Dang Z, Luo H, Yi X. Adhesion of Sphingomonas sp. GY2B onto montmorillonite: A combination study by thermodynamics and the extended DLVO theory. Colloids Surf B Biointerfaces 2020; 192:111085. [PMID: 32361501 DOI: 10.1016/j.colsurfb.2020.111085] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/23/2020] [Accepted: 04/23/2020] [Indexed: 11/25/2022]
Abstract
Bacterial adhesion on mineral surface are of fundamental importance in geochemical processes and biogeochemical cycling, such as mineral transformation and clay-mediated biodegradation. In this study, thermodynamics analysis combined with classical Derjaguin-Landau-Verwey-Overbeek (DLVO) theory as well as the extended DLVO (XDLVO) theory were employed to investigate the adhesion of the Gram-negative PAH-degrading bacteria Sphingomonas sp. GY2B on montmorillonite (Mt). Scanning electron microscopy (SEM), Fourier transform infrared spectra (FTIR) and X-ray photoelectron spectroscopy (XPS) indicated the affinity of GY2B for Mt, and the experimental results could be described well by pseudo-second-order (R2 = 0.997) and Langmuir model (R2 = 0.995). The thermodynamics analysis revealed the physical nature of bacterial adhesion onto Mt, which was confirmed by the XDLVO theory. The related surface properties (Zeta potential, hydrodynamic diameter and hydrophobicity) at different ionic strength were determined and the interaction energy between Mt and GY2B were also calculated using the DLVO and XDLVO theories in KCl or CaCl2 solution. At low ionic strength (≤ 20 mM), GY2B adhesion onto Mt was primarily driven by long-range DLVO forces (e.g. electrostatic repulsion), while short-range (separation distance < 5 nm) Van der Waals and hydrophobic interactions played more important roles in the bacterial adhesion at higher ionic strength (50-100 mM). In addition, Mt had a better adhesion capacity to bacteria in Ca2+ solution than that in K+ solution, owing to less negative charge and lower energy barrier in mineral-bacteria system in Ca2+ solution. Overall, the adhesion of bacteria onto Mt could be evaluated well on the basis of the XDLVO theory along with thermodynamics analysis. This study provides valuable insights into the clay-mediated microbial remediation of hydrophobic organic contaminants in the environment.
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Affiliation(s)
- Bo Ruan
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China; Foshan Environmental Research Institute, Foshan Environmental Protection Investment Co., Ltd, Foshan 528000, PR China
| | - Pingxiao Wu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China; Guangdong Engineering and Technology Research Center for Environmental Nanomaterials, Guangzhou 510006, PR China.
| | - Juan Liu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Lu Jiang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Huimin Wang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Jialiang Qiao
- Foshan Environmental Research Institute, Foshan Environmental Protection Investment Co., Ltd, Foshan 528000, PR China
| | - Nengwu Zhu
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China
| | - Zhi Dang
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China
| | - Hanjin Luo
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
| | - Xiaoyun Yi
- School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China
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49
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Li WK, Ren P, Zhou YW, Feng JT, Ma ZQ. Europium(III) functionalized 3D covalent organic framework for quinones adsorption and sensing investigation. JOURNAL OF HAZARDOUS MATERIALS 2020; 388:121740. [PMID: 31796351 DOI: 10.1016/j.jhazmat.2019.121740] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/21/2019] [Accepted: 11/21/2019] [Indexed: 06/10/2023]
Abstract
Chemical functionalization is essential for tuning the physical-chemical characters and broadening the potential applications of covalent organic frameworks (COFs). Based on the multistep postsynthetic modification strategy, Eu (III)-functionalized 3D COF (Eu-3D-COF) was prepared by grafting of Eu (III) onto the carboxyl-funtionalized 3D-COF (COOH-3D-COF). With micropores dominated microspheres structure, Eu-3D-COF exhibited superior adsorption affinity to multi-rings contained quinones based on the π-π interaction, coordination and hydrogen-bonding interactions, especially to 9,10-phenanthrenequinone (PQ) whose adjacent carbonyl oxygens resulting preferable synergistic chelation interaction with Eu(III) was responsible for the maximum adsorption capacity, which was confirmed by instrumental characterizations. The adsorptivity of Eu-3D-COF was apparently improved in comparison with COOH-3D-COF. More importantly, grafting of Eu(III) turned on the fluorescence of the COF, making Eu-3D-COF also a superior chemosensor for sensing application. Its fluorescent can be selectively quenched by quinones, especially by PQ based on the PQ-Eu and PQ-COF interactions co-dominated energy transfer. Therefore, both as an adsorbent and a chemosensor, the multi-functional COF was explored for quinones adsorption and sensing detection investigation in detail. Eu-3D-COF has promising application potentials for hazardous quinones adsorption and sensing detection, which also opens new perspectives for inorganic-organic 3D-COF construction and multi-functional applications.
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Affiliation(s)
- Wen-Kui Li
- Engineering and Research Center of Biological Pesticides of Shaanxi Province; College of Plant Protection, Northwest A & F University, Yangling, 712100, PR China.
| | - Peng Ren
- State Key Laboratory Breeding Base of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, PR China
| | - Yi-Wan Zhou
- Engineering and Research Center of Biological Pesticides of Shaanxi Province; College of Plant Protection, Northwest A & F University, Yangling, 712100, PR China
| | - Jun-Tao Feng
- Engineering and Research Center of Biological Pesticides of Shaanxi Province; College of Plant Protection, Northwest A & F University, Yangling, 712100, PR China
| | - Zhi-Qing Ma
- Engineering and Research Center of Biological Pesticides of Shaanxi Province; College of Plant Protection, Northwest A & F University, Yangling, 712100, PR China.
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Wang W, Cao Y, Hu X, Zhou S, Zhu D, Qi D, Deng S. Granular reduced graphene oxide/Fe 3O 4 hydrogel for efficient adsorption and catalytic oxidation of p-perfluorous nonenoxybenzene sulfonate. JOURNAL OF HAZARDOUS MATERIALS 2020; 386:121662. [PMID: 31771885 DOI: 10.1016/j.jhazmat.2019.121662] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/09/2019] [Accepted: 11/09/2019] [Indexed: 06/10/2023]
Abstract
The catalytic performance of Fe3O4/reduced graphene oxide (Fe3O4/rGO) nanocomposite makes it attractive for the removal of emerging pollutants from water, but the combination of its efficient adsorption and degradation of per- and polyfluoroalkyl substances has not been studied. Here we report the optimal granular Fe3O4/rGO with high thermal and acid resistance stability through controlling its self-assembly for the adsorption and degradation of sodium p-perfluorous nonenoxybenzene sulfonate (OBS) from water. The maximum adsorption capacity for OBS was calculated to be 362.4 μmol/g according to Langmuir fitting. Electrostatic, π-π and hydrogen bonding interactions were involved in OBS adsorption, and the quaternary N in Fe3O4/rGO was a key adsorption site. The efficiency of the utilization of free radicals generated in Fenton-like and persulfate (PS) systems increased with the increase of OBS adsorbed onto the Fe3O4/rGO, while the increase of OBS amount adsorbed on Fe3O4/rGO would casue a slow OBS removal in the adsorption-degradation process due to the slow adsorption process. The Fenton-like oxidation was more efficient for OBS removal than PS oxidation. The spent Fe3O4/rGO was able to be reused in the Fenton-like system at least ten times, while the OBS removal in the PS reaction system was reduced to 47.8 % after six reuse cycles.
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Affiliation(s)
- Wei Wang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xi'Ning, Qinghai Province, 810016, China; State Key Joint Laboratory of Environment Simulation and Pollution Control (SKLESPC), Beijing Key Laboratory for Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing, 100084, China
| | - Ying Cao
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xi'Ning, Qinghai Province, 810016, China
| | - Xue Hu
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xi'Ning, Qinghai Province, 810016, China
| | - Shuangxi Zhou
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xi'Ning, Qinghai Province, 810016, China
| | - Donghai Zhu
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xi'Ning, Qinghai Province, 810016, China
| | - Delin Qi
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xi'Ning, Qinghai Province, 810016, China
| | - Shubo Deng
- State Key Joint Laboratory of Environment Simulation and Pollution Control (SKLESPC), Beijing Key Laboratory for Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing, 100084, China.
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